tags 706731 patch thanks The 'cnf_precmd' function is the file /etc/zsh_command_not_found uses the variable "$cnf_command" that might be undefined, hence issuing warnings when zsh is running with "set -u".
Here is a simple patch: function cnf_precmd() { + set +u (($?)) && [ -n "$cnf_command" ] && [ -x /usr/share/command-not-found/command-not-found ] && { whence -- "$cnf_command" >& /dev/null || /usr/bin/python /usr/share/command-not-found/command-not-found -- "$cnf_command" unset cnf_command } } -- ,''`. : :' : Cyril Bouthors `. `' Debian.org `-